#define wiwihorz
#include "jumps.h"
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma loop-opt(on)
#define rep(i, a, b) for(int i = a; i <= b; i++)
#define rrep(i, a, b) for(int i = b; i >= a; i--)
#define ceil(a, b) ((a + b - 1) / (b))
#define all(x) x.begin(), x.end()
#define MOD 1000000007
#define eps (1e-9)
#define INF 1000000000
using namespace std;
#define lld long double
#define pii pair<int, int>
#define random mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count())
#ifdef wiwihorz
#define print(a...) kout("[" + string(#a) + "] = ", a)
void vprint(auto L, auto R) {while(L < R) cerr << *L << " \n"[next(L) == R], ++L; }
void kout() {cerr << endl; }
template<class T1, class ... T2> void kout(T1 a, T2 ... e) { cerr << a << " ", kout(e...);}
#else
#define print(...) 0
#define vprint(...) 0
#endif
int n, lg;
vector<int> L, R, h;
vector<vector<int>> l, r;
vector<vector<pii>> sp;
int query(int L, int R) {
if(L > R) return -1;
int cur = 31 - __builtin_clz(R - L + 1);
print(L, R, cur);
pii ans = max(sp[cur][L], sp[cur][R - (1 << cur) + 1]);
return ans.second;
}
void init(int N, vector<int> H) {
n = N, lg = 32 - __builtin_clz(n);
set<int> s; vector<int> a(n, 0);
L.assign(n + 2, 0);
R.assign(n + 2, 0);
h.assign(n + 2, 0);
h[0] = h[n + 1] = INF;
rep(i, 0, n - 1) h[i + 1] = H[i];
rep(i, 1, n) a[i - 1] = i;
sort(all(a), [](int x, int y) { return h[x] > h[y]; });
s.insert(n + 1), s.insert(0);
for(auto i : a) {
auto it = s.lower_bound(i);
int x = *it, y = *prev(it);
if(h[x] < h[y]) swap(x, y);
R[i] = x, L[i] = y;
print(i, x, y);
s.insert(i);
}
l.assign(lg + 1, vector<int>(n + 2, 0));
r.assign(lg + 1, vector<int>(n + 2, 0));
sp.assign(lg + 1, vector<pii>(n + 2, {0, 0}));
L[0] = R[0] = 0, L[n + 1] = R[n + 1] = n + 1;
rep(i, 0, n + 1) {
sp[0][i] = {h[i], i};
l[0][i] = L[i];
r[0][i] = R[i];
}
rep(i, 1, lg) rep(j, 0, n + 1) {
sp[i][j] = max(sp[i - 1][j], sp[i - 1][j + (1 << (i - 1))]);
l[i][j] = l[i - 1][l[i - 1][j]];
r[i][j] = r[i - 1][r[i - 1][j]];
}
return;
}
/*
7 3
3 2 1 6 4 5 7
4 4 6 6
1 3 5 6
0 1 2 2
*/
int minimum_jumps(int A, int B, int C, int D) {
A ++ ,B ++ , C ++, D ++;
/* int st, ll = A - 1, rr = B + 1;
int x = query(C, D), ans = 0;
while(rr - ll > 1) {
int mid = (ll + rr) / 2;
if(h[x] < h[mid]) ll = mid;
else rr = mid;
}
*/
if(A != B || C != D) return -1;
int ans = 0, st = A;
rrep(i, 0, lg) if(h[r[i][st]] <= h[C]) {
st = r[i][st], ans += (1 << i);
}
rrep(i, 0, lg) if(h[l[i][st]] <= h[C]) {
st = l[i][st], ans += (1 << i);
}
if(st == C) return ans;
return -1;
}
Compilation message
jumps.cpp:5: warning: ignoring '#pragma loop ' [-Wunknown-pragmas]
5 | #pragma loop-opt(on)
|
jumps.cpp:23:13: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
23 | void vprint(auto L, auto R) {while(L < R) cerr << *L << " \n"[next(L) == R], ++L; }
| ^~~~
jumps.cpp:23:21: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
23 | void vprint(auto L, auto R) {while(L < R) cerr << *L << " \n"[next(L) == R], ++L; }
| ^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
200 KB |
Output is correct |
| 2 |
Correct |
1 ms |
328 KB |
Output is correct |
| 3 |
Incorrect |
2637 ms |
65380 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
200 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
200 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
200 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
200 KB |
Output is correct |
| 2 |
Correct |
1 ms |
200 KB |
Output is correct |
| 3 |
Correct |
1 ms |
200 KB |
Output is correct |
| 4 |
Correct |
1855 ms |
36524 KB |
Output is correct |
| 5 |
Execution timed out |
4033 ms |
83012 KB |
Time limit exceeded |
| 6 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
200 KB |
Output is correct |
| 2 |
Correct |
1 ms |
200 KB |
Output is correct |
| 3 |
Correct |
1 ms |
200 KB |
Output is correct |
| 4 |
Correct |
1855 ms |
36524 KB |
Output is correct |
| 5 |
Execution timed out |
4033 ms |
83012 KB |
Time limit exceeded |
| 6 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
200 KB |
Output is correct |
| 2 |
Correct |
1 ms |
328 KB |
Output is correct |
| 3 |
Incorrect |
2637 ms |
65380 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
